AEM - Web Tier pipeline execution failing during TestCacheInvalidation

Last update: Tue Jul 23 2024 00:00:00 GMT+0000 (Coordinated Universal Time)

In Adobe Experience Manager as a Cloud Service, if the Web Tier pipeline execution fails with an error during TestCacheInvalidation, it’s important to check if the dispatcher configuration includes a vhost for dispatcher cache invalidation. You can follow the steps provided in this article to resolve the issue.

Description description

Environment

Adobe Experience Manager as a Cloud Service

Issue/Symptoms

The Web Tier pipeline execution fails with an error in log file:

=== RUN TestCacheInvalidation
main_test.go:237: Test fails. Expected header 'X-Vhost' to be existing and not: 'catch-all', got: 'catch-all'
--- FAIL: TestCacheInvalidation (0.00s)
FAIL
exit status 1

Resolution resolution

Steps to Resolve

Confirm that your dispatcher configuration includes a vhost for dispatcher cache invalidation (call being done to host 127.0.0.1), e.g., as in https://github.com/adobe/aem-project-archetype/blob/master/src/main/archetype/dispatcher.cloud/src/conf.d/available_vhosts/default.vhost#L24
If you have an X-Vhost header, make sure that it is not empty and that the request does not reach catch-all vhost with the X-Vhost header set to “catch-all”, as in https://github.com/adobe/aem-project-archetype/blob/master/src/main/archetype/dispatcher.cloud/src/conf.d/dispatcher_vhost.conf#L136

Note:

At least one enabled vhost must declare a ServerAlias value that includes either * OR 127.0.0.1 localhost. Including just 127.0.0.1 or just localhost in the ServerAlias is not guaranteed to handle cache invalidation requests in all versions of the dispatcher validator.

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